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https://issues.apache.org/jira/browse/FLINK-6225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15978153#comment-15978153
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ASF GitHub Bot commented on FLINK-6225:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/3748#discussion_r112616241
--- Diff:
flink-connectors/flink-connector-cassandra/src/main/java/org/apache/flink/streaming/connectors/cassandra/CassandraTableSink.java
---
@@ -0,0 +1,101 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.streaming.connectors.cassandra;
+
+import com.datastax.driver.core.Cluster;
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+import org.apache.flink.api.java.typeutils.RowTypeInfo;
+import org.apache.flink.streaming.api.datastream.DataStream;
+import org.apache.flink.table.sinks.StreamTableSink;
+import org.apache.flink.table.sinks.TableSink;
+import org.apache.flink.types.Row;
+import org.apache.flink.util.Preconditions;
+
+import java.net.InetSocketAddress;
+import java.util.Collection;
+import java.util.List;
+import java.util.Properties;
+
+/**
+ * A cassandra {@link StreamTableSink}.
+ *
+ */
+class CassandraTableSink implements StreamTableSink<Row> {
+ private final List<InetSocketAddress> hostAddrs;
+ private final String cql;
+ private final String[] fieldNames;
+ private final TypeInformation[] fieldTypes;
+ private final Properties properties;
+
+ public CassandraTableSink(List<InetSocketAddress> hostAddrs, String
cql, String[] fieldNames, TypeInformation[] fieldTypes, Properties properties) {
+ this.hostAddrs = Preconditions.checkNotNull(hostAddrs,
"hostAddrs");
+ this.cql = Preconditions.checkNotNull(cql, "cql");
+ this.fieldNames = Preconditions.checkNotNull(fieldNames,
"fieldNames");
+ this.fieldTypes = Preconditions.checkNotNull(fieldTypes,
"fieldTypes");
+ this.properties = Preconditions.checkNotNull(properties,
"properties");
+ }
+
+ @Override
+ public TypeInformation<Row> getOutputType() {
+ return new RowTypeInfo(fieldTypes);
+ }
+
+ @Override
+ public String[] getFieldNames() {
+ return this.fieldNames;
+ }
+
+ @Override
+ public TypeInformation<?>[] getFieldTypes() {
+ return this.fieldTypes;
+ }
+
+ @Override
+ public TableSink<Row> configure(String[] fieldNames,
TypeInformation<?>[] fieldTypes) {
+ fieldNames = Preconditions.checkNotNull(fieldNames,
"fieldNames");
+ fieldTypes = Preconditions.checkNotNull(fieldTypes,
"fieldTypes");
+ Preconditions.checkArgument(fieldNames.length ==
fieldTypes.length,
+ "Number of provided field names and types does not
match.");
+ return new CassandraTableSink(this.hostAddrs, this.cql,
fieldNames, fieldTypes, this.properties);
+ }
+
+ @Override
+ public void emitDataStream(DataStream<Row> dataStream) {
+ try {
+ CassandraSink.addSink(dataStream)
+ .setClusterBuilder(new
CassandraClusterBuilder(this.hostAddrs))
--- End diff --
It must be possible for the user to set his own cluster builder for the
plethora of options it supports.
> Support Row Stream for CassandraSink
> ------------------------------------
>
> Key: FLINK-6225
> URL: https://issues.apache.org/jira/browse/FLINK-6225
> Project: Flink
> Issue Type: New Feature
> Components: Cassandra Connector
> Affects Versions: 1.3.0
> Reporter: Jing Fan
> Assignee: Haohui Mai
> Fix For: 1.3.0
>
>
> Currently in CassandraSink, specifying query is not supported for row-stream.
> The solution should be similar to CassandraTupleSink.
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